Mazda CX-5 Service & Repair Manual: Exhaust & Emissions

Valve, Valve Spring, Valve Seal, Valve Guide

Purpose, Function Valve The intake valve is pressed down by the cam, the intake air passage is opened, and air is introduced into the cylinder. The exhaust valve is pressed down by ...

Exhaust Manifold

Purpose, Function By lengthening the exhaust passage, the transmission of exhaust pressure waves to other cylinders can be delayed, and the amount of gas exhausted from a cylinder and for ...

Other materials:

Air Fuel Ratio (A/F) Sensor
Purpose/Function Detects the oxygen concentration (all-range air/fuel ratio) in the exhaust gas as basic information for mainly determining the fuel injection amount. Detects the oxygen concentration (all-range air/fuel ratio) in the exhaust gas and inputs it to the PCM as an ox ...

High Pressure Fuel Pump Inspection
NOTE: The following vacuum values are indicated by relative pressure from the fuel pressure sensor. 1. Verify that the fuel pressure sensor is normal.. 2. Connect the M-MDS to the DLC-2. 3. Switch the ignition ON (engine off). 4. Select the “FUEL_PRES”, “LOAD” and “R ...

Air Intake Actuator Inspection [Full Auto Air Conditioner]
1. Connect battery positive voltage to air intake actuator terminal B (or C), connect terminal C (or B) to ground, and then verify that the air intake actuator operates as shown in the table. If the operation condition is not normal, replace the air intake actuator. ...